<template>
  <div>
    <el-form
      ref="form"
      :model="form"
      :rules="rules"
      style="margin-top: 6px"
      size="small"
      label-width="100px"
    >
      <el-form-item label="邮件标题" prop="subject">
        <el-input v-model="form.subject" style="width: 646px" />
      </el-form-item>
      <el-form-item
        v-for="(domain, index) in tos"
        :key="domain.key"
        :label="'收件邮箱' + (index === 0 ? '' : index)"
      >
        <el-input v-model="domain.value" style="width: 550px" />
        <el-button icon="el-icon-plus" @click="addDomain" />
        <el-button
          style="margin-left: 0"
          icon="el-icon-minus"
          @click.prevent="removeDomain(domain)"
        />
      </el-form-item>
      <div ref="editor" class="editor" />
      <el-button
        :loading="loading"
        style="margin-left: 1.6%"
        size="medium"
        type="primary"
        @click="doSubmit"
      >发送邮件</el-button>
    </el-form>
  </div>
</template>

<script>
import { send } from '@/api/tools/email'
import { upload } from '@/utils/upload'
import { validEmail } from '@/utils/validate'
import { mapGetters } from 'vuex'
import E from 'wangeditor'
export default {
  name: 'Index',
  data() {
    return {
      loading: false,
      form: { subject: '', tos: [], content: '' },
      tos: [
        {
          value: ''
        }
      ],
      rules: {
        subject: [{ required: true, message: '标题不能为空', trigger: 'blur' }]
      }
    }
  },
  computed: {
    ...mapGetters(['imagesUploadApi'])
  },
  mounted() {
    const _this = this
    var editor = new E(this.$refs.editor)
    // 自定义菜单配置
    editor.customConfig.zIndex = 10
    // 文件上传
    editor.customConfig.customUploadImg = function(files, insert) {
      // files 是 input 中选中的文件列表
      // insert 是获取图片 url 后，插入到编辑器的方法
      files.forEach((image) => {
        files.forEach((image) => {
          upload(_this.imagesUploadApi, image).then((data) => {
            insert(data.data.data[0].path)
          })
        })
      })
    }
    editor.customConfig.onchange = (html) => {
      this.form.content = html
    }
    editor.create()
  },
  methods: {
    removeDomain(item) {
      var index = this.tos.indexOf(item)
      if (index !== -1 && this.tos.length !== 1) {
        this.tos.splice(index, 1)
      } else {
        this.$message({
          message: '请至少保留一位联系人',
          type: 'warning'
        })
      }
    },
    addDomain() {
      this.tos.push({
        value: '',
        key: Date.now()
      })
    },
    doSubmit() {
      const _this = this
      this.$refs['form'].validate((valid) => {
        this.form.tos = []
        if (valid) {
          let sub = false
          this.tos.forEach(function(data, index) {
            if (data.value === '') {
              _this.$message({
                message: '收件邮箱不能为空',
                type: 'warning'
              })
              sub = true
            } else if (validEmail(data.value)) {
              _this.form.tos.push(data.value)
            } else {
              _this.$message({
                message: '收件邮箱格式错误',
                type: 'warning'
              })
              sub = true
            }
          })
          if (sub) {
            return false
          }
          this.loading = true
          send(this.form)
            .then((res) => {
              this.$notify({
                title: '发送成功',
                type: 'success',
                duration: 2500
              })
              this.loading = false
            })
            .catch((err) => {
              this.loading = false
              console.log(err.response.data.message)
            })
        } else {
          return false
        }
      })
    }
  }
}
</script>

<style scoped>
.editor {
  text-align: left;
  margin: 20px;
  width: 730px;
}
::v-deep .w-e-text-container {
  height: 360px !important;
}
</style>
